TECH: How to replace the battery holder on a Williams System 11 CPU board | Museum of the Game® Forums
PINBALL: Repairing Bally, Stern Pinball Games 1977-1985, part one
5881-09021-00 - Standard Williams / Bally battery holder with through hole circuit board mount terminals.
MPU 100/200 battery board for Bally/Stern games – No Quarters Arcade
5101 NVRAM Battery Eliminator Module for Bally Pinball Machines – PinballElectronics.com
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MPU SETUP INO - Pinball Electronics from barakandl
Pinball Classics - No Solder Remote Battery Holder
System 11B MPU Battery Corrosion Repair
Pinball Classics - No Solder Remote Battery Holder
battery | Pinball Help
PINBALL: Repair Bally 6803 Pinball Games 1985-1989.
Williams Pinball Battery Holder - Mpu
Building a remote battery pack for pinball | EnterYourInitials
Bally Pinball MPU PCB Corrosion Parts Repair COMBO KIT w/ Remote Battery Holder | eBay
903 TODD'S TIPS- Bally Pinball Machine- How to INSTALL LITHIUM BATTERY CELL - TNT Amusements - YouTube
TECH: How to replace the battery holder on a Williams System 11 CPU board | Museum of the Game® Forums
Bally Pinball MPU Corrosion Parts Repair COMBO KIT w/ Remote Battery Holder | eBay
